this derivation will be built:
  /nix/store/7ppkl2f5af138c5i5zylibpsc2cvbywd-iets-nextest-0.2.0.drv
7ppkl2f5af138c5i5zylibpsc2cvbywd-iets-nextest-0.2.0.drv: elastic-arm-2c14001d: not scheduled here: 7ppkl2f5af138c5i5zylibpsc2cvbywd-iets-nextest-0.2.0.drv, asking the scheduler again